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skel/dotfiles/ssh/rc
2021-01-21 22:37:36 -08:00

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#!/bin/sh
# Roughly based on this article:
# https://werat.github.io/2017/02/04/tmux-ssh-agent-forwarding.html
REMOTE_LINK="${HOME}/.ssh/ssh_auth_sock"
if [ "${1:-}" = "force" ] && [ -S "${SSH_AUTH_SOCK}" ] ; then
ln -sf "${SSH_AUTH_SOCK}" "${REMOTE_LINK}"
exit 0
fi
if test \! -S "${REMOTE_LINK}" -a -S "${SSH_AUTH_SOCK}" ; then
ln -sf "${SSH_AUTH_SOCK}" "${REMOTE_LINK}"
fi
# Handle X forwarding, per sshd(8)
if read proto cookie && [ -n "$DISPLAY" ]; then
if [ `echo $DISPLAY | cut -c1-10` = 'localhost:' ]; then
# X11UseLocalhost=yes
echo add unix:`echo $DISPLAY |
cut -c11-` $proto $cookie
else
# X11UseLocalhost=no
echo add $DISPLAY $proto $cookie
fi | xauth -q -
fi